# frozen_string_literal: true
require_relative 'helper'
require 'sidekiq/api'
require 'active_job'
require 'action_mailer'

class TestApi < Sidekiq::Test
  describe 'api' do
    before do
      Sidekiq.redis {|c| c.flushdb }
    end

    describe "stats" do
      it "is initially zero" do
        s = Sidekiq::Stats.new
        assert_equal 0, s.processed
        assert_equal 0, s.failed
        assert_equal 0, s.enqueued
      end

      describe "processed" do
        it "returns number of processed jobs" do
          Sidekiq.redis { |conn| conn.set("stat:processed", 5) }
          s = Sidekiq::Stats.new
          assert_equal 5, s.processed
        end
      end

      describe "failed" do
        it "returns number of failed jobs" do
          Sidekiq.redis { |conn| conn.set("stat:failed", 5) }
          s = Sidekiq::Stats.new
          assert_equal 5, s.failed
        end
      end

      describe "reset" do
        before do
          Sidekiq.redis do |conn|
            conn.set('stat:processed', 5)
            conn.set('stat:failed', 10)
          end
        end

        it 'will reset all stats by default' do
          Sidekiq::Stats.new.reset
          s = Sidekiq::Stats.new
          assert_equal 0, s.failed
          assert_equal 0, s.processed
        end

        it 'can reset individual stats' do
          Sidekiq::Stats.new.reset('failed')
          s = Sidekiq::Stats.new
          assert_equal 0, s.failed
          assert_equal 5, s.processed
        end

        it 'can accept anything that responds to #to_s' do
          Sidekiq::Stats.new.reset(:failed)
          s = Sidekiq::Stats.new
          assert_equal 0, s.failed
          assert_equal 5, s.processed
        end

        it 'ignores anything other than "failed" or "processed"' do
          Sidekiq::Stats.new.reset((1..10).to_a, ['failed'])
          s = Sidekiq::Stats.new
          assert_equal 0, s.failed
          assert_equal 5, s.processed
        end
      end

      describe "queues" do
        it "is initially empty" do
          s = Sidekiq::Stats::Queues.new
          assert_equal 0, s.lengths.size
        end

        it "returns a hash of queue and size in order" do
          Sidekiq.redis do |conn|
            conn.rpush 'queue:foo', '{}'
            conn.sadd 'queues', 'foo'

            3.times { conn.rpush 'queue:bar', '{}' }
            conn.sadd 'queues', 'bar'
          end

          s = Sidekiq::Stats::Queues.new
          assert_equal ({ "foo" => 1, "bar" => 3 }), s.lengths
          assert_equal "bar", s.lengths.first.first

          assert_equal Sidekiq::Stats.new.queues, Sidekiq::Stats::Queues.new.lengths
        end
      end

      describe "enqueued" do
        it "returns total enqueued jobs" do
          Sidekiq.redis do |conn|
            conn.rpush 'queue:foo', '{}'
            conn.sadd 'queues', 'foo'

            3.times { conn.rpush 'queue:bar', '{}' }
            conn.sadd 'queues', 'bar'
          end

          s = Sidekiq::Stats.new
          assert_equal 4, s.enqueued
        end
      end

      describe "over time" do
        before do
          require 'active_support/core_ext/time/conversions'
          @before = Time::DATE_FORMATS[:default]
          Time::DATE_FORMATS[:default] = "%d/%m/%Y %H:%M:%S"
        end

        after do
          Time::DATE_FORMATS[:default] = @before
        end

        describe "processed" do
          it 'retrieves hash of dates' do
            Sidekiq.redis do |c|
              c.incrby("stat:processed:2012-12-24", 4)
              c.incrby("stat:processed:2012-12-25", 1)
              c.incrby("stat:processed:2012-12-26", 6)
              c.incrby("stat:processed:2012-12-27", 2)
            end
            Time.stub(:now, Time.parse("2012-12-26 1:00:00 -0500")) do
              s = Sidekiq::Stats::History.new(2)
              assert_equal({ "2012-12-26" => 6, "2012-12-25" => 1 }, s.processed)

              s = Sidekiq::Stats::History.new(3)
              assert_equal({ "2012-12-26" => 6, "2012-12-25" => 1, "2012-12-24" => 4 }, s.processed)

              s = Sidekiq::Stats::History.new(2, Date.parse("2012-12-25"))
              assert_equal({ "2012-12-25" => 1, "2012-12-24" => 4 }, s.processed)
            end
          end
        end

        describe "failed" do
          it 'retrieves hash of dates' do
            Sidekiq.redis do |c|
              c.incrby("stat:failed:2012-12-24", 4)
              c.incrby("stat:failed:2012-12-25", 1)
              c.incrby("stat:failed:2012-12-26", 6)
              c.incrby("stat:failed:2012-12-27", 2)
            end
            Time.stub(:now, Time.parse("2012-12-26 1:00:00 -0500")) do
              s = Sidekiq::Stats::History.new(2)
              assert_equal ({ "2012-12-26" => 6, "2012-12-25" => 1 }), s.failed

              s = Sidekiq::Stats::History.new(3)
              assert_equal ({ "2012-12-26" => 6, "2012-12-25" => 1, "2012-12-24" => 4 }), s.failed

              s = Sidekiq::Stats::History.new(2, Date.parse("2012-12-25"))
              assert_equal ({ "2012-12-25" => 1, "2012-12-24" => 4 }), s.failed
            end
          end
        end
      end
    end

    describe 'with an empty database' do
      it 'shows queue as empty' do
        q = Sidekiq::Queue.new
        assert_equal 0, q.size
        assert_equal 0, q.latency
      end

      before do
        ActiveJob::Base.queue_adapter = :sidekiq
        ActiveJob::Base.logger = nil

        class ApiMailer < ActionMailer::Base
          def test_email(*)
          end
        end

        class ApiJob < ActiveJob::Base
          def perform(*)
          end
        end
      end

      class ApiWorker
        include Sidekiq::Worker
      end

      it 'can enumerate jobs' do
        q = Sidekiq::Queue.new
        Time.stub(:now, Time.new(2012, 12, 26)) do
          ApiWorker.perform_async(1, 'mike')
          assert_equal ['TestApi::ApiWorker'], q.map(&:klass)

          job = q.first
          assert_equal 24, job.jid.size
          assert_equal [1, 'mike'], job.args
          assert_equal Time.new(2012, 12, 26), job.enqueued_at
        end
        assert q.latency > 10_000_000

        q = Sidekiq::Queue.new('other')
        assert_equal 0, q.size
      end

      it 'has no enqueued_at time for jobs enqueued in the future' do
        job_id = ApiWorker.perform_in(100, 1, 'foo')
        job = Sidekiq::ScheduledSet.new.find_job(job_id)
        assert_nil job.enqueued_at
      end

      it 'unwraps delayed jobs' do
        Sidekiq::Queue.delay.foo(1,2,3)
        q = Sidekiq::Queue.new
        x = q.first
        assert_equal "Sidekiq::Queue.foo", x.display_class
        assert_equal [1,2,3], x.display_args
      end

      it 'unwraps ActiveJob jobs' do
        ApiJob.perform_later(1, 2, 3)
        q = Sidekiq::Queue.new
        x = q.first
        assert_equal "TestApi::ApiJob", x.display_class
        assert_equal [1,2,3], x.display_args
      end

      it 'unwraps ActionMailer jobs' do
        ApiMailer.test_email(1, 2, 3).deliver_later
        q = Sidekiq::Queue.new('mailers')
        x = q.first
        assert_equal "TestApi::ApiMailer#test_email", x.display_class
        assert_equal [1,2,3], x.display_args
      end

      it 'has no enqueued_at time for jobs enqueued in the future' do
        job_id = ApiWorker.perform_in(100, 1, 'foo')
        job = Sidekiq::ScheduledSet.new.find_job(job_id)
        assert_nil job.enqueued_at
      end

      it 'can delete jobs' do
        q = Sidekiq::Queue.new
        ApiWorker.perform_async(1, 'mike')
        assert_equal 1, q.size

        x = q.first
        assert_equal "TestApi::ApiWorker", x.display_class
        assert_equal [1,'mike'], x.display_args

        assert_equal [true], q.map(&:delete)
        assert_equal 0, q.size
      end

      it "can move scheduled job to queue" do
        remain_id = ApiWorker.perform_in(100, 1, 'jason')
        job_id = ApiWorker.perform_in(100, 1, 'jason')
        job = Sidekiq::ScheduledSet.new.find_job(job_id)
        q = Sidekiq::Queue.new
        job.add_to_queue
        queued_job = q.find_job(job_id)
        refute_nil queued_job
        assert_equal queued_job.jid, job_id
        assert_nil Sidekiq::ScheduledSet.new.find_job(job_id)
        refute_nil Sidekiq::ScheduledSet.new.find_job(remain_id)
      end

      it "handles multiple scheduled jobs when moving to queue" do
        jids = Sidekiq::Client.push_bulk('class' => ApiWorker,
                                         'args' => [[1, 'jason'], [2, 'jason']],
                                         'at' => Time.now.to_f)
        assert_equal 2, jids.size
        (remain_id, job_id) = jids
        job = Sidekiq::ScheduledSet.new.find_job(job_id)
        q = Sidekiq::Queue.new
        job.add_to_queue
        queued_job = q.find_job(job_id)
        refute_nil queued_job
        assert_equal queued_job.jid, job_id
        assert_nil Sidekiq::ScheduledSet.new.find_job(job_id)
        refute_nil Sidekiq::ScheduledSet.new.find_job(remain_id)
      end

      it 'can find job by id in sorted sets' do
        job_id = ApiWorker.perform_in(100, 1, 'jason')
        job = Sidekiq::ScheduledSet.new.find_job(job_id)
        refute_nil job
        assert_equal job_id, job.jid
        assert_in_delta job.latency, 0.0, 0.1
      end

      it 'can remove jobs when iterating over a sorted set' do
        # scheduled jobs must be greater than SortedSet#each underlying page size
        51.times do
          ApiWorker.perform_in(100, 'aaron')
        end
        set = Sidekiq::ScheduledSet.new
        set.map(&:delete)
        assert_equal set.size, 0
      end

      it 'can remove jobs when iterating over a queue' do
        # initial queue size must be greater than Queue#each underlying page size
        51.times do
          ApiWorker.perform_async(1, 'aaron')
        end
        q = Sidekiq::Queue.new
        q.map(&:delete)
        assert_equal q.size, 0
      end

      it 'can find job by id in queues' do
        q = Sidekiq::Queue.new
        job_id = ApiWorker.perform_async(1, 'jason')
        job = q.find_job(job_id)
        refute_nil job
        assert_equal job_id, job.jid
      end

      it 'can clear a queue' do
        q = Sidekiq::Queue.new
        2.times { ApiWorker.perform_async(1, 'mike') }
        q.clear

        Sidekiq.redis do |conn|
          refute conn.smembers('queues').include?('foo')
          refute conn.exists('queue:foo')
        end
      end

      it 'can fetch by score' do
        same_time = Time.now.to_f
        add_retry('bob1', same_time)
        add_retry('bob2', same_time)
        r = Sidekiq::RetrySet.new
        assert_equal 2, r.fetch(same_time).size
      end

      it 'can fetch by score and jid' do
        same_time = Time.now.to_f
        add_retry('bob1', same_time)
        add_retry('bob2', same_time)
        r = Sidekiq::RetrySet.new
        assert_equal 1, r.fetch(same_time, 'bob1').size
      end

      it 'shows empty retries' do
        r = Sidekiq::RetrySet.new
        assert_equal 0, r.size
      end

      it 'can enumerate retries' do
        add_retry

        r = Sidekiq::RetrySet.new
        assert_equal 1, r.size
        array = r.to_a
        assert_equal 1, array.size

        retri = array.first
        assert_equal 'ApiWorker', retri.klass
        assert_equal 'default', retri.queue
        assert_equal 'bob', retri.jid
        assert_in_delta Time.now.to_f, retri.at.to_f, 0.02
      end

      it 'requires a jid to delete an entry' do
        start_time = Time.now.to_f
        add_retry('bob2', Time.now.to_f)
        assert_raises(ArgumentError) do
          Sidekiq::RetrySet.new.delete(start_time)
        end
      end

      it 'can delete a single retry from score and jid' do
        same_time = Time.now.to_f
        add_retry('bob1', same_time)
        add_retry('bob2', same_time)
        r = Sidekiq::RetrySet.new
        assert_equal 2, r.size
        Sidekiq::RetrySet.new.delete(same_time, 'bob1')
        assert_equal 1, r.size
      end

      it 'can retry a retry' do
        add_retry
        r = Sidekiq::RetrySet.new
        assert_equal 1, r.size
        r.first.retry
        assert_equal 0, r.size
        assert_equal 1, Sidekiq::Queue.new('default').size
        job = Sidekiq::Queue.new('default').first
        assert_equal 'bob', job.jid
        assert_equal 1, job['retry_count']
      end

      it 'can clear retries' do
        add_retry
        add_retry('test')
        r = Sidekiq::RetrySet.new
        assert_equal 2, r.size
        r.clear
        assert_equal 0, r.size
      end

      it 'can enumerate processes' do
        identity_string = "identity_string"
        odata = {
          'pid' => 123,
          'hostname' => Socket.gethostname,
          'key' => identity_string,
          'identity' => identity_string,
          'started_at' => Time.now.to_f - 15,
        }

        time = Time.now.to_f
        Sidekiq.redis do |conn|
          conn.multi do
            conn.sadd('processes', odata['key'])
            conn.hmset(odata['key'], 'info', Sidekiq.dump_json(odata), 'busy', 10, 'beat', time)
            conn.sadd('processes', 'fake:pid')
          end
        end

        ps = Sidekiq::ProcessSet.new.to_a
        assert_equal 1, ps.size
        data = ps.first
        assert_equal 10, data['busy']
        assert_equal time, data['beat']
        assert_equal 123, data['pid']
        data.quiet!
        data.stop!
        signals_string = "#{odata['key']}-signals"
        assert_equal "TERM", Sidekiq.redis{|c| c.lpop(signals_string) }
        assert_equal "USR1", Sidekiq.redis{|c| c.lpop(signals_string) }
      end

      it 'can enumerate workers' do
        w = Sidekiq::Workers.new
        assert_equal 0, w.size
        w.each do
          assert false
        end

        hn = Socket.gethostname
        key = "#{hn}:#{$$}"
        pdata = { 'pid' => $$, 'hostname' => hn, 'started_at' => Time.now.to_i }
        Sidekiq.redis do |conn|
          conn.sadd('processes', key)
          conn.hmset(key, 'info', Sidekiq.dump_json(pdata), 'busy', 0, 'beat', Time.now.to_f)
        end

        s = "#{key}:workers"
        data = Sidekiq.dump_json({ 'payload' => {}, 'queue' => 'default', 'run_at' => Time.now.to_i })
        Sidekiq.redis do |c|
          c.hmset(s, '1234', data)
        end

        w.each do |p, x, y|
          assert_equal key, p
          assert_equal "1234", x
          assert_equal 'default', y['queue']
          assert_equal Time.now.year, Time.at(y['run_at']).year
        end

        s = "#{key}:workers"
        data = Sidekiq.dump_json({ 'payload' => {}, 'queue' => 'default', 'run_at' => (Time.now.to_i - 2*60*60) })
        Sidekiq.redis do |c|
          c.multi do
            c.hmset(s, '5678', data)
            c.hmset("b#{s}", '5678', data)
          end
        end

        assert_equal ['1234', '5678'], w.map { |_, tid, _| tid }
      end

      it 'can reschedule jobs' do
        add_retry('foo1')
        add_retry('foo2')

        retries = Sidekiq::RetrySet.new
        assert_equal 2, retries.size
        refute(retries.map { |r| r.score > (Time.now.to_f + 9) }.any?)

        retries.each do |retri|
          retri.reschedule(Time.now.to_f + 10) if retri.jid == 'foo2'
        end

        assert_equal 2, retries.size
        assert(retries.map { |r| r.score > (Time.now.to_f + 9) }.any?)
      end

      it 'prunes processes which have died' do
        data = { 'pid' => rand(10_000), 'hostname' => "app#{rand(1_000)}", 'started_at' => Time.now.to_f }
        key = "#{data['hostname']}:#{data['pid']}"
        Sidekiq.redis do |conn|
          conn.sadd('processes', key)
          conn.hmset(key, 'info', Sidekiq.dump_json(data), 'busy', 0, 'beat', Time.now.to_f)
        end

        ps = Sidekiq::ProcessSet.new
        assert_equal 1, ps.size
        assert_equal 1, ps.to_a.size

        Sidekiq.redis do |conn|
          conn.sadd('processes', "bar:987")
          conn.sadd('processes', "bar:986")
        end

        ps = Sidekiq::ProcessSet.new
        assert_equal 1, ps.size
        assert_equal 1, ps.to_a.size
      end

      def add_retry(jid = 'bob', at = Time.now.to_f)
        payload = Sidekiq.dump_json('class' => 'ApiWorker', 'args' => [1, 'mike'], 'queue' => 'default', 'jid' => jid, 'retry_count' => 2, 'failed_at' => Time.now.to_f)
        Sidekiq.redis do |conn|
          conn.zadd('retry', at.to_s, payload)
        end
      end
    end
  end
end
